Troubleshooting
Problem | Cause | Remedy | See | |
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“CHECK SP WIRES” | Speaker cables are | Make sure all speaker cables are connected correctly. | 13 | |
appears in the front |
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panel display. |
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There is noise | This unit is too close to the digital or high- | Move this unit further away from such equipment. | — | |
interference from | frequency equipment. |
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digital or radio |
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frequency equipment. |
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The picture is | The video source uses scrambled or |
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disturbed. | encoded signals to prevent dubbing. |
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This unit suddenly | The internal temperature is too high and | Wait about 1 hour for this unit to cool down and then | — | |
enters the standby | the overheat protection circuitry has been | turn it back on. |
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mode. | activated. |
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■Tuner
| Problem | Cause | Remedy | See |
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| FM stereo reception is | The characteristics of FM stereo | Check the antenna connections. | 24 |
| noisy. | broadcasts may cause this problem |
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| Try using a | — | ||
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| when the transmitter is too far away or | ||
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| antenna. |
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| the antenna input is poor. |
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| Use the manual tuning method. | 50 |
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| There is distortion, and | There is | Adjust the antenna position to eliminate | — |
| clear reception cannot |
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FM | be obtained even with a |
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good FM antenna. |
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| The desired station | The signal is too weak. | Use a | — |
| cannot be tuned into |
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| Use the manual tuning method. | 50 | |
| with the automatic |
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| tuning method. |
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| Previously preset | This unit has been disconnected for a | Preset the stations again. | 51 |
| stations can no longer | long period. |
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| be tuned into. |
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| The desired station | The signal is weak or the antenna | Tighten the AM loop antenna connections | — |
| cannot be tuned into | connections are loose. | and orient the antenna for the best reception. |
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| with the automatic |
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| Use the manual tuning method. | 50 | |
| tuning method. |
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AM |
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There are continuous | Noise can result from lightning, | Use an outdoor antenna and a ground wire. | — | |
| crackling and hissing | fluorescent lamps, motors, thermostats | This will help somewhat, but it is difficult to |
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| noises. | and other electrical equipment. | eliminate all noise. |
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| There are buzzing and | A TV set is being used nearby. | Move this unit away from the TV set. | — |
| whining noises. |
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